Qualitative and quantitative polymerase chain reaction detection of the residual myeloma cell contamination after positive selection of CD34+ cells with small- and large-scale Miltenyi cell sorting system

Claudia Voena, Giovanni Locatelli, Claudia Castellino, Paola Omedè, Marco Ladetto, Elisabetta Zappone, Raffaella Milani, Vittorio Perfetti, Mario Boccadoro, Alessandro Pileri, Paolo Lusso, Chiara Villa, Mauro Malnati, Paolo Corradini

Risultato della ricerca: Contributo su rivistaArticolo in rivistapeer review

Abstract

The purging efficacy of the Miltenyi sorting system was evaluated by qualitative and TaqMan quantitative polymerase chain reaction (PCR) in myeloma patients, using immunoglobulin genes. After small-scale selection, qualitative PCR showed that in 6 of 12 leukaphereses myeloma cells were no longer detectable. Envisaging a possible clinical application, the leukaphereses from three patients underwent large-scale selection. Qualitative PCR showed that myeloma cells were still detectable. Quantitative PCR, performed in two patients, showed a tumour depletion of 1 and 2 logs respectively. Although numbers are small, the promising results obtained with small-scale selection were not reproduced in large-scale experiments.

Lingua originaleInglese
pagine (da-a)642-645
Numero di pagine4
RivistaBritish Journal of Haematology
Volume117
Numero di pubblicazione3
DOI
Stato di pubblicazionePubblicato - 2002
Pubblicato esternamente

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